Re: [PATCH v12 20/22] x86/virt/tdx: Allow SEAMCALL to handle #UD and #GP

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To: "kirill.shutemov@xxxxxxxxxxxxxxx" <kirill.shutemov@xxxxxxxxxxxxxxx>
Subject: Re: [PATCH v12 20/22] x86/virt/tdx: Allow SEAMCALL to handle #UD and #GP
From: "Huang, Kai" <kai.huang@xxxxxxxxx>
Date: Fri, 30 Jun 2023 11:06:33 +0000
Accept-language: en-US
Cc: "kvm@xxxxxxxxxxxxxxx" <kvm@xxxxxxxxxxxxxxx>, "Williams, Dan J" <dan.j.williams@xxxxxxxxx>, "Raj, Ashok" <ashok.raj@xxxxxxxxx>, "Hansen, Dave" <dave.hansen@xxxxxxxxx>, "david@xxxxxxxxxx" <david@xxxxxxxxxx>, "bagasdotme@xxxxxxxxx" <bagasdotme@xxxxxxxxx>, "ak@xxxxxxxxxxxxxxx" <ak@xxxxxxxxxxxxxxx>, "Wysocki, Rafael J" <rafael.j.wysocki@xxxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, "Christopherson,, Sean" <seanjc@xxxxxxxxxx>, "mingo@xxxxxxxxxx" <mingo@xxxxxxxxxx>, "pbonzini@xxxxxxxxxx" <pbonzini@xxxxxxxxxx>, "linux-mm@xxxxxxxxx" <linux-mm@xxxxxxxxx>, "Yamahata, Isaku" <isaku.yamahata@xxxxxxxxx>, "nik.borisov@xxxxxxxx" <nik.borisov@xxxxxxxx>, "tglx@xxxxxxxxxxxxx" <tglx@xxxxxxxxxxxxx>, "Luck, Tony" <tony.luck@xxxxxxxxx>, "hpa@xxxxxxxxx" <hpa@xxxxxxxxx>, "peterz@xxxxxxxxxxxxx" <peterz@xxxxxxxxxxxxx>, "Shahar, Sagi" <sagis@xxxxxxxxxx>, "imammedo@xxxxxxxxxx" <imammedo@xxxxxxxxxx>, "bp@xxxxxxxxx" <bp@xxxxxxxxx>, "Gao, Chao" <chao.gao@xxxxxxxxx>, "Chatre, Reinette" <reinette.chatre@xxxxxxxxx>, "Brown, Len" <len.brown@xxxxxxxxx>, "sathyanarayanan.kuppuswamy@xxxxxxxxxxxxxxx" <sathyanarayanan.kuppuswamy@xxxxxxxxxxxxxxx>, "Huang, Ying" <ying.huang@xxxxxxxxx>, "x86@xxxxxxxxxx" <x86@xxxxxxxxxx>
In-reply-to: <20230630102254.gb36e77w4m4obx4b@box.shutemov.name>
References: <cover.1687784645.git.kai.huang@intel.com> <c124550719716f1f7759c2bdea70f4722d8e0167.1687784645.git.kai.huang@intel.com> <20230628152900.GI2438817@hirez.programming.kicks-ass.net> <20230628203823.GR38236@hirez.programming.kicks-ass.net> <20230628211132.GS38236@hirez.programming.kicks-ass.net> <20230628211641.GT38236@hirez.programming.kicks-ass.net> <20230630090309.6mnsvfhcptekmzfu@box.shutemov.name> <84e13c5e32f001b8c79f0f18fe18f3225cf47dfb.camel@intel.com> <20230630102254.gb36e77w4m4obx4b@box.shutemov.name>
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On Fri, 2023-06-30 at 13:22 +0300, kirill.shutemov@xxxxxxxxxxxxxxx wrote:
> On Fri, Jun 30, 2023 at 10:02:32AM +0000, Huang, Kai wrote:
> > 
> > > 
> > > I'm okay either way.
> > > 
> > > Obviously, arch/x86/coco/tdx/tdcall.S has to be patched to use the new
> > > TDX_MODULE_CALL macro.
> > > 
> > 
> > Cool then we have consensus.
> > 
> > Kirill will you do the patch(es), or you want me to do?
> 
> Please, do.
> 

OK I'll do.

References:
- [PATCH v12 00/22] TDX host kernel support
  - From: Kai Huang
- [PATCH v12 20/22] x86/virt/tdx: Allow SEAMCALL to handle #UD and #GP
  - From: Kai Huang
- Re: [PATCH v12 20/22] x86/virt/tdx: Allow SEAMCALL to handle #UD and #GP
  - From: Peter Zijlstra
- Re: [PATCH v12 20/22] x86/virt/tdx: Allow SEAMCALL to handle #UD and #GP
  - From: Peter Zijlstra
- Re: [PATCH v12 20/22] x86/virt/tdx: Allow SEAMCALL to handle #UD and #GP
  - From: Peter Zijlstra
- Re: [PATCH v12 20/22] x86/virt/tdx: Allow SEAMCALL to handle #UD and #GP
  - From: Peter Zijlstra
- Re: [PATCH v12 20/22] x86/virt/tdx: Allow SEAMCALL to handle #UD and #GP
  - From: kirill . shutemov
- Re: [PATCH v12 20/22] x86/virt/tdx: Allow SEAMCALL to handle #UD and #GP
  - From: Huang, Kai
- Re: [PATCH v12 20/22] x86/virt/tdx: Allow SEAMCALL to handle #UD and #GP
  - From: kirill.shutemov@xxxxxxxxxxxxxxx

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